cros: Small JS cleanup in lock screen code.

chrome/browser/resources/chromeos/login/lock.js

 // Copyright (c) 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview Login UI based on a stripped down OOBE controller.
  */
 
 <include src="login_shared.js">
 
@@ skipping 11 matching lines @@
 
   // Register loader for custom elements.
   cr.ui.login.ResourceLoader.registerAssets({
     id: 'custom-elements',
     html: [{ url: 'chrome://oobe/custom_elements.html' }]
   });
 
   // Called after polymer has been loaded. Fades the pin element in.
   var onPinLoaded = function(pinKeyboard) {
     var podRow = $('pod-row');
-    podRow.togglePinTransitions(true);
+    podRow.toggleTransitions(true);
     podRow.setFocusedPodPinVisibility(true);
   };
 
   // The element we want to see if loaded.
   var getPinKeyboard = function() {
     return $('pod-row').querySelectorAll('pin-keyboard')[0];
   };
 
   // We only load the PIN element when it is actually shown so that lock screen
   // load times remain low when the user is not using a PIN.
@@ skipping 38 matching lines @@
      * Reloads content of the page.
      * @param {!Object} data New dictionary with i18n values.
      */
     reloadContent: function(data) {
       loadTimeData.overrideValues(data);
       i18nTemplate.process(document, loadTimeData);
       Oobe.getInstance().updateLocalizedContent_();
     },
   };
 });